Erwin, SD Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Erwin, SD in one place.
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Erwin, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 7, 2026 9:32 PM CDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Erwin, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 7, 2026 9:32 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Erwin
Tuesday looks like the warmest upcoming period in Erwin at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 25 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 9:32 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 95. Southeast wind 10 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 69. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 59. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55.
Sunny, with a high near 82.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
87°F |
10 to 15 mph
SSW
|
|
Monday Night
Jun 8
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
66°F |
5 to 10 mph
SE
|
|
Tuesday
Jun 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
10 to 25 mph
SE
|
|
Tuesday Night
Jun 9
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
20 to 25 mph
S
|
|
Wednesday
Jun 10
|
Chance Rain Showers
|
85°F |
20 to 25 mph
SW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
59°F |
10 to 25 mph
W
|
|
Thursday
Jun 11
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
15 to 25 mph
W
|
|
Thursday Night
Jun 11
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
55°F |
5 to 20 mph
W
|
|
Friday
Jun 12
|
Sunny
|
82°F |
10 to 15 mph
WSW
|
|
Friday Night
Jun 12
|
Partly Cloudy
|
57°F |
5 to 15 mph
NNW
|
|
Saturday
Jun 13
|
Mostly Sunny
|
77°F |
10 to 20 mph
NW
|
|
Saturday Night
Jun 13
|
Partly Cloudy
|
52°F |
5 to 15 mph
NNW
|
|
Sunday
Jun 14
|
Mostly Sunny
|
75°F |
10 to 15 mph
NW
|
Nearby Forecasts
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